THE TRAIN COULDN'T RUN FAST ……… THE SNOW.A. SO B. IF C. BECAUSE OF...

2. - BAI TAP TRAC NGHIEM TONG HOP A9
BAI TAP TRAC NGHIEM TONG HOP A9

2. The train couldn't run fast ……… the

snow.

a. so b. if c. because of d because.